Home / 283,007.08-390,549.72-169,829.92

Finding the Fourth Proportional to 283,007.08, 390,549.72 and 169,829.92

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Solution

The fourth proportional to 283,007.08, 390,549.72 and 169,829.92 is: 234,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,007.08 : 390,549.72 = 169,829.92 : x
  2. Step 2: Convert to fraction form
    283,007.08/390,549.72 = 169,829.92/x
  3. Step 3: Cross multiply
    283,007.08x = 390,549.72 × 169,829.92
  4. Step 4: Simplify right side
    283,007.08x = 66,327,027,703.62
  5. Step 5: Solve for x
    x = 66,327,027,703.62/283,007.08
  6. Step 6: Final answer
    x = 234,365.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.